CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 107	$ (578)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,534	1,258
Share-based compensation expense	1,387	2,046
Write-off of long-lived assets	3	19
Provision for bad debts	37	59
Noncash lease expenses	132	121
Interest expense	0	5
Deferred income tax expense	175	0
Changes in assets and liabilities:
Accounts receivable	(862)	(440)
Prepaid expenses and other current assets	(482)	(392)
Other noncurrent assets	0	2
Accounts payable	628	(101)
Accrued expenses and other current liabilities	47	(583)
Deferred revenue	(128)	(51)
Operating lease liabilities	(148)	(133)
Net cash provided by operating activities	2,430	1,232
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(113)	(46)
Capitalized costs included in intangible assets	(1,794)	(1,247)
Net cash used in investing activities	(1,907)	(1,293)
CASH FLOWS FROM FINANCING ACTIVITIES:
Taxes paid related to net share settlement of vesting of restricted stock units	(6)	0
Net cash (used in) provided by financing activities	(6)	0
Net increase (decrease) in cash and cash equivalents	517	(61)
Cash and cash equivalents at beginning of period	34,258	12,957
Cash and cash equivalents at end of period	34,775	12,896
SUPPLEMENTAL DISCLOSURE INFORMATION
Cash paid for interest	0	0
Cash paid for income taxes	0	0
Share-based compensation capitalized in intangible assets	301	351
Retirement of treasury stock	$ 6	$ 0